title: [Chemical constituents of the leaves of Crataegus pinnatifida Bge. var. major N. E. Br].
abstract: Compounds were isolated from the aqueous extract of the leaves of Crataegus pinnatifida var. major and seven of them were identified as 2-(4-hydroxybenzyl)malic acid, quercetin, hyperin, vitexin, rhamnosylvitexin, diethylamine hydrochloride and sorbitol respectively by UV, IR, NMR, MS, some chemical techniques by comparison with the standard spectra of known compounds.
authors.affiliation: Institute of Materia Medica, Shandong Academy of Medical Sciences, Jinan.
authors.forename: X
authors.initials: X
authors.lastname: Ding
authors.forename: Y
authors.initials: Y
authors.lastname: Jiang
authors.forename: Y
authors.initials: Y
authors.lastname: Zhong
authors.forename: C
authors.initials: C
authors.lastname: Zuo
mesh_terms: D004048:Diethylamines / Q000302:isolation & purification*; D004365:Drugs, Chinese Herbal / Q000737:chemistry*; D011794:Quercetin / Q000302:isolation & purification*
chemical_list: D004048:Diethylamines; D004365:Drugs, Chinese Herbal; D011794:Quercetin